Symbol: NI_M_PFI_FILTER_SEL
drivers/comedi/drivers/ni_mio_common.c
4675
bits |= NI_M_PFI_FILTER_SEL(chan, filter);
drivers/comedi/drivers/ni_stc.h
762
#define NI_M_PFI_FILTER_SEL_MASK(_c) NI_M_PFI_FILTER_SEL((_c), 0x3)